Valve construction.



B. G. KRAMER.

VALVE CONSTRUCTION. APPLICATION FILED JAN-24, I916.

L1 1 1 1, Patented Jan. 16,1917.

2 SHEETSSHEET I.

B. G. KRAMER.

VALVE CONSTRUCTION. APPLICATION FILED JAN.24. I916.

m1 3,1 1 L Patented Jan. 16, 1917,

2 SHEETS-SHEET 2.

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BENJAMIN G. KRAMER, 0F ANDERSON, INDIANA, ASSIGNOR T0 KRAMER VACUUNE' BRAKE COMPANY, 015 ANDERSON, INDIANA,

A CORPORATIUN.

VALVE CONSTRUCTION.

1 anaemia.

Application filed January 2t, 1916. Serial No. 73,907.

To all whom it may concern Be it known that I, BENJAMIN Gr. KRAMER, a citizen of the United States, and a resident of Anderson, county'of Madison, and State of llndiana, have invented a certain new and useful Valve Construction; and I do hereby declare that the following is 'a full, clear, and exact description thereof, reference being had to the accompanying drawings, in which like letters refer to like parts. 7

The object of this invention is to provide a valve construction adapted to be used on internal combustion engines for utilizing the vacuum produced by the action of the pistons therein. The power exerted by this vacuum can be readily utilized by. this mech- 1 anism for operating different mechanisms of an automobile or the like, such as an air brake, instead of being entirely wasted and unused. v

The valve construction invented for utilizing this vacuum is comparatively simple in construction and yet completely controls the use of vacuum and air pressure.

@ne feature of the invention consists in the construction of a cylinder and piston adapted to be operated from the foot board of an automobile so as to open and-close ports leading from the intake manifold and atmosphere. I

Another feature ofthe invention is means operated by this piston for automatically closing a butterfly valve in said manifold when it is desired to use the vacuum there in, thereby cutting 0d the supply of gas and throttling down the motor when the vacuum is used for operating an air brake or a similar device. T

Still another feature of the invention consists in-utilizing the oil saturated atmosphere of the crank case for keeping the air cylinder or the like properly lubricated.

The full nature 0 the "invention will be understood from the accompanying drawings and the following description and claims:

lin the drawings, Figure 1 is a side elevation of the front portion of an automobile showing the mot-orwith a valve constructlon attached thereto. Fig. 2 is an enlarged view of a cross section through the line 2'2 of Fig. 1, showing the valve in position to utilize the vacuum.' Fig. 3 is a section through the line 3.3 of Fig. 2. Fig. t is a cross section on the line H of Fig. 2. Fig. 5 is the same as Fig. l, showing the valve in position to shut off the vacuum and open the intake valve. Fig. 6 is a cross section on the line (r-6 of Fig. 5.

in the drawings there is an automobile frame 10 having a radiator ill, dash 12 and foot board 13. There is shown therein an internal combustion engine 1% having a crank case 15 and a fly wheel 16. An. intake manifold 17 connects the cylinders of said engine to the carbureter 18. Secured between the carbureter and said intake manifold there is a valve housing 19 hav ing a flange 20 adapted to be secured between the intake pipe 2l and said carbureter by means pf bolts fastened through the holes 22 therein. This admits of an open passageway 23 from the carbureter to the cylinders which is opened or closed-by a butterfly valve 24:.

In one, end of the casing there isa cylinder 25. having a. reciprocating piston 26 therein, one end of said piston being connected to a foot pedal lever 27 by a con- Fatented Jan. 116, il llt.

necting rod 28, said foot pedal having a spring attachment 29 for returning said piston to its normal position after loeing operated. In said cylinder there is a port 30 extending diametrically therethrough so as to connect with a port 31 which leads to the passageway 23 above the butterfly valve so i that when'said butterfly valve is closed, said port 31 connects directly with the intake manifold 17. Extending diametrically through said piston there is a passageway 32- adapted to register with'the port 30 when the piston is pushed forward to its operative position, as shown in Fig. 2, thereby opening a complete passageway from the intake manifold through the piston and cylinder to a pipe line 33 which leads to the piston 34: in the cylinder 134 to be actuated by the vacuum. This cylinder is of ordis nary construction and may 'propriate use desired.

- Extending radially from the cylinder and at right angles to the port 30, there is a port 35, as shown'in Fig. 3, so that the ports 30 and 35 communicate with each other and the port 31 is cut 0d when the pistonis returned to its normal position, as

shown in Fig. 5. This is accomplishedhy.

means of a passageway 36 near the head of said piston whereby the atmospheric presbe for any. ap-

sure may enter through the pipe line 37 way 36, the port and the pipe line 33 into the cylinder head 131 whereby the piston 3-1 is returned to its normal position by a spring or any other suitable means when the atmospheric pressure is neutralized by being exerted on both sides thereof. The pipe line 37 is adapted to extend into the crank case so as to take up the oil saturated air whereby the cylinders and pistons will be properly lubricated, at the same time being exposed to the atmospheric pressure.

Secured at one end of the piston 26 there is a connecting rod 40 on a pin 41, said connecting rod extending through a head 42 and connected to the rod 28 by means ofwhich said piston is actuated. Rigidly secured to the head of the piston by means of screws 43 there is a frame 4-1 having a projection 45 adapted to engage and operate a lug 46. Secured to said lug'and passing through the frame 19 and flange member 20, there is a shaft 47 which is secured to the butterfly valve 24 so as to operate it in the passageway 23, whereby said passageway will be opened and closed. There is a spring 48 on said shaft for returning the butterfly valve to its closed po-- sition when the lug 16 is released by the movement of the frame H. Therefore, a slight movement of the piston from the position shown in Fig. 5 to that shown in Fig. 4 will release the lug and the butterfly valve will be closed. On theother end of said shaft therev is a set screw adjustment -29 for adjusting the butterfly valve to prevent its being entirely closed, if so desired.

The cylinder 25 is provided with a screw 50 having a projection 51 adapted to extend into a slot or groove in the piston 26 for preventing its turning therein.

The operation of the valve construction is as follows: When it is desired to operate the piston 34: for putting on the brakes or any other purpose, the piston 26 is pushed in wardly by means of the rod 28, whereby the port 35 is closed and the butterfly valve 21 is closed by means of the spring 48, the lug 46 having been-released by a very slight movement of the piston, a direct passageway then being opened from the intake pipe 21 to the intake manifold 17 through the port 31 directly through the piston, port 30 and pipe line 33 to the cylinder 134. A vacuum is thereby produced in the head of the cylinder 134 and the atmospheric pressure being exerted against the piston. 31, forces it inwardly, thereby operating the desired mechanism and at the same time the engine is throttled down, because of the closing of the butterfly valve, thereby cutting off the passage of the gas into the cylinders. When it is desired to release the mechanism, the pedal 27 is released and the spring 29 pulls the piston 26 back into normal position so that the passageway 36 registers with the port 35. thereby allowing atmospheric pressure to be exerted from the pipe line 37 through the cylinder and ports and pipe line 33 to the piston 34 which neutralizes the atmospheric pressure on the other side thereof and permits a small spring or other similar means to return said piston to its normal position. Simultaneously with this movement, the butterfly valve will be opened by means of the projection l5 engaging the lug 46, thereby permitting the motor to speed up.

The above described valve construction is adapted to be used with a cylinder such as the cylinder 131, shown in Fig. 1, to operate an air brake for automobiles. But it should be understood that it is not desired to limit this invention to that use, as it may be adapted for various other purposes wherein it is desired to use the vacuum produced by the action of the motor.

The invention claimed is:

1. In combination with an internal combustion engine having an intake manifold, and a carbureter thereon, of a cylinder, a valve adapted to alternately connect said cylinder with said manifold and the atmosphere so as to operate the piston therein, and means on said valve for automatically increasing and decreasing the quantity of gas entering said manifold so that said engine will be throttled down when the valve is opened to the manifold.

2. In combination with an internal combustion engine having an intake manifold, of a valve construction including a housing having a cylinder therein, a butterfly valve in said manifold, a port extending through said cylinder to said manifold, a piston in said cylinder adapted to open and close said ports, a second port in said cylinder, means for operating said piston, and direct means on said piston for automatically opening and closing said butterfly valve when said piston is operated.

3. In combination with an internal combustion engine having an intake manifold, of a. valve construction including a housing having a cylinder therein, a butterfly valve in said manifold, a port extending through said cylinder to said manifold, a piston in said cylinder adapted to open said ports, a second port in said cylinder, means for operating said piston, and a lug extending from said butterfly valve adapted to be engaged by said piston for closing said valve when said manifold port is opened.

4. In combination with an internal combustion engine having an intake manifold,

of a valve construction including a housing having a cylinder therein, a. butterfly valve in said manifold, a port extending through said cylinder to said manifold, a piston in ltl port in said cylinder open to the atmosphere, and means for so that it will slide in said cylinder whereby one of said ports will be brought into communication With the manifold.

In Witness whereof, have hereunto aflixed my signature in the presence of the 20 witnesses herein named.

' BENJIN G. KRAMER.

Witnessesi .H. F. PATTERSON, 'H. I. STOUT.

operating said piston 5 

